1844212 has 6 divisors (see below), whose sum is σ = 3227378. Its totient is φ = 922104.

The previous prime is 1844207. The next prime is 1844243. The reversal of 1844212 is 2124481.

It can be written as a sum of positive squares in only one way, i.e., 1838736 + 5476 = 1356^2 + 74^2 .

It is a super-2 number, since 2×1844212² = 6802235801888, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230523 + ... + 230530.

2^1844212 is an apocalyptic number.

It is an amenable number.

1844212 is a deficient number, since it is larger than the sum of its proper divisors (1383166).

1844212 is a wasteful number, since it uses less digits than its factorization.

1844212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461057 (or 461055 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 1844212 is about 1358.0176729336. The cubic root of 1844212 is about 122.6319444625.

Adding to 1844212 its reverse (2124481), we get a palindrome (3968693).

The spelling of 1844212 in words is "one million, eight hundred forty-four thousand, two hundred twelve".